[REN-BGP-stats-all] IPv4 R&E Routing Table Report - GEANT (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Jul 31 17:00:41 UTC 2024
IPv4 R&E Routing Table Report 17:00 GMT Wed 31 Jul, 2024
IPv4 BGP Table (R&E) as seen at GEANT.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/GEANT/
Analysis Summary
----------------
BGP routing table entries examined: 19281
Prefixes after maximum aggregation (per Origin AS): 10730
Deaggregation factor: 1.80
Unique aggregates announced (without unneeded subnets): 11818
Number of IPv4 prefixes with a valid ROA: 6170
Number of IPv4 prefixes with an invalid ROA: 8
Number of IPv4 prefixes with no ROA: 13103
Total ASes present in the Internet Routing Table: 2787
Prefixes per ASN: 6.92
Origin-only ASes present in the Internet Routing Table: 2424
Origin ASes announcing only one prefix: 1066
Transit ASes present in the Internet Routing Table: 363
Transit-only ASes present in the Internet Routing Table: 63
Paths with bogon ASNs present in the IPv4 Routing Table: 2
Average AS path length visible in the Internet Routing Table: 3.8
Max AS path length visible: 17
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 3
Number of instances of unregistered ASNs: 3
Number of 32-bit ASNs allocated by the RIRs: 45056
Number of 32-bit ASNs visible in the Routing Table: 656
Prefixes from 32-bit ASNs in the Routing Table: 1820
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 5
Number of addresses announced to Internet: 202499376
Equivalent to 12 /8s, 17 /16s and 229 /24s
Percentage of available address space announced: 5.5
Percentage of allocated address space announced: 5.5
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 2372
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4839
Total APNIC prefixes after maximum aggregation: 2333
APNIC Deaggregation factor: 2.07
Prefixes being announced from the APNIC address blocks: 4836
Unique aggregates announced from the APNIC address blocks: 2668
APNIC Region origin ASes present in the Internet Routing Table: 579
APNIC Prefixes per ASN: 8.35
APNIC Region origin ASes announcing only one prefix: 244
APNIC Region transit ASes present in the Internet Routing Table: 60
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 17
Number of APNIC region 32-bit ASNs visible in the Routing Table: 228
Number of APNIC addresses announced to Internet: 45715520
Equivalent to 2 /8s, 185 /16s and 144 /24s
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-64098, 64297-64395, 131072-153913
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
222/8, 223/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 8219
Total ARIN prefixes after maximum aggregation: 4754
ARIN Deaggregation factor: 1.73
Prefixes being announced from the ARIN address blocks: 8232
Unique aggregates announced from the ARIN address blocks: 5219
ARIN Region origin ASes present in the Internet Routing Table: 1250
ARIN Prefixes per ASN: 6.59
ARIN Region origin ASes announcing only one prefix: 434
ARIN Region transit ASes present in the Internet Routing Table: 151
Average ARIN Region AS path length visible: 4.2
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 198
Number of ARIN addresses announced to Internet: 92398432
Equivalent to 5 /8s, 129 /16s and 227 /24s
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 62464-63487, 64198-64296, 393216-402332
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 47/8, 48/8, 50/8, 52/8, 53/8,
54/8, 55/8, 56/8, 57/8, 63/8, 64/8, 65/8,
66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8,
73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8,
99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8,
130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8,
138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8,
147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8,
158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8,
166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8,
174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8,
206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 3680
Total RIPE prefixes after maximum aggregation: 2945
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3671
Unique aggregates announced from the RIPE address blocks: 2993
RIPE Region origin ASes present in the Internet Routing Table: 700
RIPE Prefixes per ASN: 5.24
RIPE Region origin ASes announcing only one prefix: 315
RIPE Region transit ASes present in the Internet Routing Table: 106
Average RIPE Region AS path length visible: 2.9
Max RIPE Region AS path length visible: 12
Number of RIPE region 32-bit ASNs visible in the Routing Table: 153
Number of RIPE addresses announced to Internet: 57737104
Equivalent to 3 /8s, 112 /16s and 255 /24s
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
59392-61439, 61952-62463, 64396-64495
196608-216475
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 1417
Total LACNIC prefixes after maximum aggregation: 538
LACNIC Deaggregation factor: 2.63
Prefixes being announced from the LACNIC address blocks: 1415
Unique aggregates announced from the LACNIC address blocks: 727
LACNIC Region origin ASes present in the Internet Routing Table: 158
LACNIC Prefixes per ASN: 8.96
LACNIC Region origin ASes announcing only one prefix: 57
LACNIC Region transit ASes present in the Internet Routing Table: 22
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 63
Number of LACNIC addresses announced to Internet: 4193024
Equivalent to 0 /8s, 63 /16s and 251 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 1123
Total AfriNIC prefixes after maximum aggregation: 157
AfriNIC Deaggregation factor: 7.15
Prefixes being announced from the AfriNIC address blocks: 1122
Unique aggregates announced from the AfriNIC address blocks: 207
AfriNIC Region origin ASes present in the Internet Routing Table: 34
AfriNIC Prefixes per ASN: 33.00
AfriNIC Region origin ASes announcing only one prefix: 16
AfriNIC Region transit ASes present in the Internet Routing Table: 8
Average AfriNIC Region AS path length visible: 2.7
Max AfriNIC Region AS path length visible: 10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 14
Number of AfriNIC addresses announced to Internet: 2444800
Equivalent to 0 /8s, 37 /16s and 78 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 45/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 601 2162 465 SINET-AS Research Organization of Informa
7497 447 180 24 CSTNET-AS-AP Computer Network Information
1237 192 74 144 KREONET-AS-KR KISTI, KR
4538 192 4193 75 ERX-CERNET-BKB China Education and Resear
58647 180 18 2 KAGAWAU-AS Kagawa University, JP
7575 172 329 115 AARNET-AS-AP Australian Academic and Rese
55824 131 18 19 NKN-CORE-NW NKN Core Network, IN
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha
4621 69 37 10 UNINET-AS-AP UNINET-, TH
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
668 205 648 174 DNIC-AS-00668, US
376 202 162 151 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
2920 176 34 7 LACOE, US
270 162 345 88 AS270, US
2152 150 507 97 CENIC-2152, US
18558 140 18 4 NETBLK-RCOEK, US
81 133 517 33 NCREN, US
32440 117 35 18 LONI, US
23024 96 7 21 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 282 1899 250 DFN Verein zur Foerderung eines Deutschen
786 184 1767 181 JANET Jisc Services Limited, GB
8895 136 24 5 ISU Internet Services Unit ISU, SA
559 113 533 103 SWITCH Peering requests: peering at switch.c
1103 96 1503 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 90 26 70 ROEDUNET, RO
3267 88 27 70 NIKS, RU
137 82 677 77 ASGARR Consortium GARR, IT
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnolog
553 78 462 78 BELWUE BelWue-Koordination, DE
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 196 176 43 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco, M
11340 109 25 52 Red Universitaria Nacional, CL
271640 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR
4270 47 16 1 Red de Interconexion Universitaria, AR
2715 45 99 34 Fundacao Carlos Chagas Filho de Amparo a
61468 45 5 15 CEDIA, EC
3596 40 8 4 Universidad Autonoma Metropolitana, MX
28614 38 2 2 Fundacao Universidade Regional de Blumena
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36914 528 82 3 KENET-AS, KE
2018 381 319 71 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
327700 45 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37661 13 8 5 NRaE1-AS, NG
30983 12 4 2 MARWAN-AS, MA
37182 11 8 1 TERNET, TZ
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 601 2162 465 SINET-AS Research Organization of Informa
36914 528 82 3 KENET-AS, KE
7497 447 180 24 CSTNET-AS-AP Computer Network Information
2018 381 319 71 TENET-1, ZA
680 282 1899 250 DFN Verein zur Foerderung eines Deutschen
668 205 648 174 DNIC-AS-00668, US
376 202 162 151 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
1916 196 176 43 Rede Nacional de Ensino e Pesquisa, BR
1237 192 74 144 KREONET-AS-KR KISTI, KR
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
36914 528 525 KENET-AS, KE
7497 447 423 CSTNET-AS-AP Computer Network Information Cente
2018 381 310 TENET-1, ZA
5786 199 198 UPRENET, PR
58647 180 178 KAGAWAU-AS Kagawa University, JP
2920 176 169 LACOE, US
1916 196 153 Rede Nacional de Ensino e Pesquisa, BR
18558 140 136 NETBLK-RCOEK, US
8895 136 131 ISU Internet Services Unit ISU, SA
4538 192 117 ERX-CERNET-BKB China Education and Research Net
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
65111 PRIVATE 62.40.99.40/29 20965 GEANT The GEANT IP Serv
64500 DOCUMENT 62.40.99.58/32 20965 GEANT The GEANT IP Serv
26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
164.160.192.0/21 Origin: 37661 NRaE1-AS, NG
164.160.192.0/21 Transit: 37288 WACREN, SN
192.31.196.0/24 Origin: 112 RESERVED, ZZ
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
202.46.0.0/20 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.0.0/20 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
202.46.240.0/20 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.240.0/20 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
202.46.245.0/24 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.245.0/24 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:0 /9:1 /10:1 /11:1 /12:10
/13:19 /14:35 /15:118 /16:2014 /17:426 /18:459
/19:576 /20:878 /21:898 /22:1436 /23:1555 /24:10634
/25:52 /26:60 /27:70 /28:8 /29:14 /30:11
/31:0 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 506 528 KENET-AS, KE
8895 131 136 ISU Internet Services Unit ISU, SA
32440 82 117 LONI, US
3267 42 88 NIKS, RU
327700 39 45 MoRENet, MZ
1916 38 196 Rede Nacional de Ensino e Pesquisa, BR
23024 38 96 OCDE, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
25977 30 44 HCCS, US
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 5:15 6:4 8:2 12:1 14:91
23:4 24:3 31:1 35:3 37:8 38:10
40:1 41:231 42:17 44:5 45:50 46:5
47:1 49:10 50:3 52:1 58:17 59:20
60:6 61:3 62:15 63:33 64:43 65:1
66:37 67:42 68:10 69:19 70:2 71:1
72:7 74:51 76:41 77:10 78:3 79:10
80:16 81:25 82:6 83:7 84:11 85:46
86:10 87:1 89:11 91:49 92:2 93:13
94:2 95:2 96:5 97:1 98:2 101:4
102:6 103:318 104:78 108:8 109:8 111:16
113:2 114:24 116:8 117:61 118:35 119:23
121:28 122:8 123:8 124:42 125:5 128:84
129:36 130:92 131:63 132:67 133:155 134:108
136:198 137:51 138:58 139:5 140:36 141:3
142:24 143:25 144:25 145:2 146:135 147:63
148:193 149:11 150:40 151:9 152:135 153:15
154:37 155:63 156:139 157:21 158:35 159:121
160:30 161:16 162:22 163:60 164:14 165:47
166:1 167:10 168:120 169:6 170:89 172:3
173:6 175:29 176:8 177:6 179:12 180:16
181:1 182:9 184:6 185:55 186:3 187:18
188:13 189:3 190:18 191:13 192:1478 193:272
194:146 195:93 196:151 197:316 198:465 199:277
200:289 201:37 202:647 203:438 204:368 205:134
206:195 207:204 208:68 209:105 210:215 211:15
212:161 213:7 214:8 216:62 217:9 218:22
219:5 220:17 222:3 223:14
End of report
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